SqlAlchemy

An article including information about SQLAlchemy, a popular Python Object Relational Mapper (ORM)

SqlAlchemy: Connecting to pre-existing databases

Accessing databases with Python is a simple process. Python even provides a sqlite database library that’s built into the main distribution (since 2.5). My favorite way to access databases with Python is to use the 3rd party package, SqlAlchemy. SqlAlchemy is an object-relational mapper (ORM), which means that it takes SQL constructs and makes them …

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Another Step-by-Step SqlAlchemy Tutorial (part 2 of 2)

In the first part of this series, we went over what some might call the “SQL Expression” method of using SqlAlchemy to interact with your database. The theory behind this is that we should learn the less abstract way of doing things before we get to the higher level (and more abstract) methods. This is …

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Another Step-by-Step SqlAlchemy Tutorial (part 1 of 2)

A long time ago (circa 2007 if Google serves me right), there was a Python programmer named Robin Munn who wrote a really nice tutorial on SqlAlchemy. It was originally based on the 0.1 release, but updated for the newer 0.2. Then, Mr. Munn just disappeared and the tutorial was never updated. I having been kicking around the idea of releasing my own version of this tutorial for quite some time and finally decided to just do it. I hope you will find this article helpful as I found the original to be.